All names: Gaia EDR3 1506805751574450048, TIC 168809633, CBS 265, SDSS J142047.04+465601.4, J1420+4656, SDSS J142047.03+465601.3, WDJ142047.04+465601.58, 2MASS J14204703+4656018, Gaia DR2 1506805751574450048, WD 1418+471, Gaia DR3 1506805751574450048
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 20 47.00 (0.03) | 14 20 47.00 (0.04) | 14 20 47.00 | 14 20 47.04 (0.03) | 14 20 47.00 | 14 20 46.66 | ||||||||
| Declination | 46 56 00.62 (0.03) | 46 56 00.65 (0.04) | 46 56 00.62 | 46 56 01.58 (0.03) | 46 56 00.65 | 46 56 00.96 | ||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA4.7 | DA | ||||||
| Effective temperature | [K] | 9921.0 (48) | 9860.0 (44) | 9921.0 (48) | 9880.0 | 10610.0 (162) | 10291.0 (67) | |||||||
| log(g) | [cgs] | 7.46 (0.008) | 7.44 (0.009) | 7.46 (0.009) | 7.45 | 7.90 (0.07) | 7.55 (0.01) | |||||||
| Mass | [M☉] | 0.342 (0.004) | 0.335 (0.005) | 0.34 (0.004) | 0.337 | 0.55 (0.04) | 0.376 (0.006) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.3300 | 0.3530 | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(C/H) | ||||||||||||||
| log(N/H) | ||||||||||||||
| log(O/H) | ||||||||||||||
| log(Na/H) | ||||||||||||||
| log(Mg/H) | ||||||||||||||
| log(Al/H) | ||||||||||||||
| log(Si/H) | ||||||||||||||
| log(P/H) | ||||||||||||||
| log(S/H) | ||||||||||||||
| log(Sc/H) | ||||||||||||||
| log(Ti/H) | ||||||||||||||
| log(Cr/H) | ||||||||||||||
| log(Mn/H) | ||||||||||||||
| log(Fe/H) | ||||||||||||||
| log(Ni/H) | ||||||||||||||
| Parallax | [mas] | 10.14 (0.04) | 10.10 (0.05) | 10.10 (0.05) | 10.14 | 10.14 (0.04) | 10.10 (0.05) | |||||||
| Distance | [pc] | 98.63 (0.4) | 99.01 (0.5) | 99.03 (0.5) | 107.00 | 98.63 | 98.63 (0.4) | 99.03 (0.5) | ||||||
| Composition | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -23.55464639 (0.03) | -23.64879391 (0.08) | -23.555 (0.03) | -23.64879391 | |||||||||
| Proper motion (declination) | [mas/yr] | -59.82453531 (0.04) | -59.80764013 (0.07) | -59.825 (0.04) | -59.80764013 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 17.00 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.33 (0.01) | 16.53 (0.1) | ||||||||||||
| H magnitude | ||||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 16.93 (0.007) | 16.93 (0.007) | 16.93 (0.007) | |||||||||||
| g magnitude | 16.40 (0.004) | 16.40 (0.004) | ||||||||||||
| r magnitude | 16.50 (0.004) | 16.50 (0.004) | ||||||||||||
| i magnitude | 16.65 (0.005) | 16.65 (0.005) | ||||||||||||
| z magnitude | 16.82 (0.009) | 16.82 (0.009) | ||||||||||||
| G magnitude | 16.42 (0.003) | 16.44 | 16.42 | 16.42 (0.003) | 16.44 | |||||||||
| BP magnitude | 16.47 (0.003) | 16.47 | 16.47 | |||||||||||
| RP magnitude | 16.36 (0.004) | 16.36 | 16.36 | |||||||||||
| Pan g magnitude | 16.41 (0.005) | 16.41 (0.006) | ||||||||||||
| Pan r magnitude | 16.50 (0.003) | 16.50 (0.003) | ||||||||||||
| Pan i magnitude | 16.66 (0.003) | 16.66 (0.002) | ||||||||||||
| Pan z magnitude | 16.82 (0.006) | 16.82 (0.006) | ||||||||||||
| Pan y magnitude | 16.94 (0.003) | 16.94 (0.003) | ||||||||||||
| E(B-V) | 0.010 | |||||||||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.